... Lenghth: 10000mm-18000mm EPS Sandwich Panel uses colour coating steel sheet as surface board, it uses self-extinguishing polystyrene, Polyurethane, crystal cotton and ... industrial factory, storehouse, refrigeratory; Large-span roof board, adding layer for original building, temporary office, store, market and sentry box. Technical ... º C---80º C 5. Oxygen index: ≥ 26 Heat insulation EPS sandwich panel